以下为句子列表：
英文: A flight garment worn by astronauts and jet pilots that presses on the lower body to maintain the blood supply to the brain during rapid vertical acceleration.
中文: 抗荷衣宇航员或喷气机飞行员穿的飞行服，在快速垂直加速中增加身体下部的压力以保持脑部血液供应
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英文: A person will die if his main arteries become plugged, because the vital blood supply is blocked.
中文: 如果一个人的主要动脉堵塞，他就会死亡，因为生命必须的血液供给被隔断。
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英文: Conclusion: Poor immobilization, serious destruction in blood supply and infection are the major causes of nonunion in lower limb fractures.
中文: 结论：骨折端固定不坚固，局部血运的严重破坏以及感染是造成下肢长骨干骨折不愈合的主要原因。
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英文: Countless animals, including us, bear external structures without blood supply or nerves -- for example, our hair and fingernails, or the scales, claws, and horns of other animals.
中文: 包括人在内的无数动物都有一些没有血液供应和神经的体外构造，例如，我们的头发和指甲，或者鳞片、爪子和其它一些动物的角。
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英文: Death and decay of body tissue, often occurring in a limb, caused by insufficient blood supply and usually following injury or disease.
中文: 坏疽软组织坏死或衰退，经常由供血不足和紧接着的受伤或疾病而发生在四肢
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